Mountain resort image
– Lat/Long: 48.71° N 121.99° W

South Twin Sister
Weather Forecast, United States

Issued: 4 am Sun 10 May Local Time
Updates in:
hr min s
Update imminent

Days 1–3 Weather Summary

Some drizzle, heaviest during Sun night. Warm (max 26°C on Tue afternoon, min 8°C on Sun night). Wind will be generally light.

Days 4–6 Weather Summary

Moderate rain (total 12mm), heaviest on Thu night. Warm (max 22°C on Wed afternoon, min 5°C on Thu night). Wind will be generally light.

Sunday
10
Monday
11
Tuesday
12
Wednesday
13
Thursday
14
Friday
15
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
cloud
rain showers
rain showers
rain showers
clear
clear
part cloud
clear
part cloud
rain showers
part cloud
part cloud
light rain
light rain
rain showers
rain showers
rain showers
clear
cloudy
rain shwrs
rain shwrs
rain shwrs
clear
clear
some clouds
clear
some clouds
rain shwrs
some clouds
some clouds
light rain
light rain
rain shwrs
rain shwrs
rain shwrs
clear
km/h
10
SW
10
WSW
5
SSW
5
NW
5
WNW
5
E
0
S
5
WSW
5
SE
5
W
5
W
0
SSW
10
SSW
10
SW
10
WSW
5
WSW
5
WSW
5
ENE
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0.1
0.9
0.1
0.2
1.1
0.9
8
0.9
0.5
max °C
12
15
11
14
18
15
22
26
21
21
22
18
10
11
8
6
11
9
min °C
12
15
8
10
18
14
18
25
18
19
22
12
10
10
5
5
9
6
12
15
8
10
18
14
18
25
18
19
22
12
9
9
3
3
8
6
2450
2300
2150
2900
3250
3500
3800
3800
3700
3650
3550
3250
2200
1900
1400
1250
1900
2000
Cloud base (m)
750
2250
1950
1600
6750
9200
6650
6950
3500
1600
750
600
650
950
Sea lvl1000m2000m3000m4000m5000m
320268111312101071-1-4-5-2-166451012141817141411430-212121510121815202620202215101176108
Sunrise
5:33
5:31
5:31
5:28
5:28
5:26
Sunset
8:35
8:36
8:37
8:38
8:39
8:42

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South Twin Sister Weather (Days 0-3):

The weather forecast for South Twin Sister is: Some drizzle, heaviest during Sun night. Warm (max 26°C on Tue afternoon, min 8°C on Sun night). Wind will be generally light.

South Twin Sister Weather (Days 3-6):

Moderate rain (total 12mm), heaviest on Thu night. Warm (max 22°C on Wed afternoon, min 5°C on Thu night). Wind will be generally light.

This table gives the weather forecast for South Twin Sister at the specific elevation of 500 m. Our advanced weather models allow us to provide distinct weather forecasts for several elevations of South Twin Sister. To see the weather forecasts for the other elevations, use the tab navigation above the table. For a wider overview of the weather, consult the Weather Map of Washington.

Live conditions reported by 10 closest weather stations

Weather StationTemp.WeatherWindGusts
Cloud
Visibility
Cloud / Visibility
22 km WSW
94m alt.
37 minutes ago
14° C
Dry
Wind obs. (10 kph from 237 degs) was rejected.
25 km WSW
198m alt.
1 hour ago
13° C
Dry
5
Calm
(5 kph at 45).
6
26 km NW
125m alt.
29 minutes ago
17° C
Dry
10
Light winds from the SSW
(10 kph at 203).
18
27 km WSW
99m alt.
1 hour ago
13° C
Dry
Wind obs. (10 kph from 146 degs) was rejected.
28 km NW
152m alt.
35 minutes ago
17° C
Dry
Wind obs. (10 kph from 114 degs) was rejected.
30 km WSW
130m alt.
1 hour ago
14° C
Dry
3
Calm
(3 kph at 104).
14
34 km SW
7m alt.
56 minutes ago
11° C
Dry
2
Calm
(2 kph at 224).
8
35 km WNW
19m alt.
1 hour ago
17° C
Dry
2
Calm
(2 kph at 17).
8
35 km WSW
100m alt.
1 hour ago
15° C
Dry
Wind obs. (8 kph from 131 degs) was rejected.
39 km W
27m alt.
34 minutes ago
16° C
Dry
0
Calm
(0 kph at 0).
2

* NOTE: not all weather observatories update at the same frequency which is the reason why some locations may show data from stations that are further away than known closer ones.